netback: fix typo in comment

"variables a used" should be "variables are used".

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index ca0370e90cf9..d2ffe9cd29c3 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -395,7 +395,7 @@ static void netbk_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb,
         struct gnttab_copy *copy_gop;
         struct netbk_rx_meta *meta;
         /*
-         * These variables a used iff get_page_ext returns true,
+         * These variables are used iff get_page_ext returns true,
          * in which case they are guaranteed to be initialized.
          */
         unsigned int uninitialized_var(group), uninitialized_var(idx);